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The Role of Stroke as a Trigger for Incident Venous Thromboembolism: Results from a Population-based Case-Crossover Study

Permanent lenke
https://hdl.handle.net/10037/15860
DOI
https://doi.org/10.1055/s-0039-1681020
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Åpne
article.pdf (192.9Kb)
Publisher`s version (PDF)
Dato
2019-02-22
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Morelli, Vania Maris; Sejrup, Joakim Knutsen; Småbrekke, Birgit; Rinde, Ludvig B; Grimnes, Gro; Isaksen, Trond; Hansen, John-Bjarne; Hindberg, Kristian; Brækkan, Sigrid Kufaas
Sammendrag
Stroke is associated with a short-term increased risk of subsequent venous thromboembolism (VTE). It is unclear to what extent this association is mediated by strokerelated complications that are potential triggers for VTE, such as immobilization and infection. We aimed to investigate the role of acute stroke as a trigger for incident VTE while taking other concomitant VTE triggers into account. We conducted a populationbased case-crossover study with 707 VTE patients. Triggers were registered during the 90 days before a VTE event (hazard period) and in four preceding 90-day control periods. Conditional logistic regression was used to estimate odds ratios with 95% confidence intervals (CIs) for VTE according to triggers. Stroke was registered in 30 of the 707 (4.2%) hazard periods and in 6 of the 2,828 (0.2%) control periods, resulting in a high risk of VTE, with odds ratios of 20.0 (95% CI: 8.3–48.1). After adjustments for immobilization and infection, odds ratios for VTE conferred by stroke were attenuated to 6.0 (95% CI: 1.6–22.1), and further to 4.0 (95% CI: 1.1–14.2) when other triggers (major surgery, red blood cell transfusion, trauma, and central venous catheter) were added to the regression model. A mediation analysis revealed that 67.8% of the total effect of stroke on VTE risk could be mediated through immobilization and infection. Analyses restricted to ischemic stroke yielded similar results. In conclusion, acute stroke was a trigger for VTE, and the association between stroke and VTE risk appeared to be largely mediated by immobilization and infection.
Beskrivelse
Source at https://doi.org/10.1055/s-0039-1681020.
Forlag
Thieme Open
Sitering
Morelli, V.M., Sejrup, J.K., Småbrekke, B., Rinde, L., Grimnes, G., Isaksen, T. ... Brækkan, S.K. (2019). The Role of Stroke as a Trigger for Incident Venous Thromboembolism: Results from a Population-based Case-Crossover Study. TH Open, 03(01), e50-e57. https://doi.org/10.1055/s-0039-1681020
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  • Artikler, rapporter og annet (klinisk medisin) [1974]

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